Re: optimal aspect ratio

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>

>
> You'll find this on my site http://www.alansharp.co.uk  under Maths and
> Theory.
>
> But such a squat coil would not be optimal - it would breakdown because of
> a high volts per turn ratio.
> We also want to minimise the self capacitance of the coil - when this is
> taken into account it turns out that for maximum Q the height should equal
> the coil diameter.  But such a squat coil would not be optimal - it would
> breakdown because of a high volts per turn ratio.
>
> Alan Sharp,
>
>

But, perhaps if you were to put it in a longer tube, full of oil or
pressurized air?